ij-launcher: complete the move from the 'fiji' to the 'imagej' package
ij-launcher: complete the move from the 'fiji' to the 'imagej' package

There were some leftovers which prevented the launcher from running
properly.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

This used to be revision r5433.

imagej/imagej-launcher,imagej/imagej-launcher,imagej/imagej-launcher